diff options
Diffstat (limited to 'src/3rdparty/freetype/src/gzip/ftgzip.c')
| -rw-r--r-- | src/3rdparty/freetype/src/gzip/ftgzip.c | 110 |
1 files changed, 47 insertions, 63 deletions
diff --git a/src/3rdparty/freetype/src/gzip/ftgzip.c b/src/3rdparty/freetype/src/gzip/ftgzip.c index de7d0fdd5b..ca6a2aabe6 100644 --- a/src/3rdparty/freetype/src/gzip/ftgzip.c +++ b/src/3rdparty/freetype/src/gzip/ftgzip.c @@ -8,7 +8,7 @@ * parse compressed PCF fonts, as found with many X11 server * distributions. * - * Copyright (C) 2002-2020 by + * Copyright (C) 2002-2023 by * David Turner, Robert Wilhelm, and Werner Lemberg. * * This file is part of the FreeType project, and may only be used, @@ -69,10 +69,14 @@ /* */ /* so that configuration with `FT_CONFIG_OPTION_SYSTEM_ZLIB' might */ /* include the wrong `zconf.h' file, leading to errors. */ -#include "zlib.h" -#undef SLOW -#define SLOW 1 /* we can't use asm-optimized sources here! */ +#define ZEXPORT + /* prevent zlib functions from being visible outside their object files */ +#define ZEXTERN static + +#define HAVE_MEMCPY 1 +#define Z_SOLO 1 +#define Z_FREETYPE 1 #if defined( _MSC_VER ) /* Visual C++ (and Intel C++) */ /* We disable the warning `conversion from XXX to YYY, */ @@ -83,24 +87,25 @@ #pragma warning( disable : 4244 ) #endif /* _MSC_VER */ - /* Urgh. `inflate_mask' must not be declared twice -- C++ doesn't like - this. We temporarily disable it and load all necessary header files. */ -#define NO_INFLATE_MASK -#include "zutil.h" -#include "inftrees.h" -#include "infblock.h" -#include "infcodes.h" -#include "infutil.h" -#undef NO_INFLATE_MASK - - /* infutil.c must be included before infcodes.c */ +#if defined( __GNUC__ ) +#pragma GCC diagnostic push +#ifndef __cplusplus +#pragma GCC diagnostic ignored "-Wstrict-prototypes" +#endif +#pragma GCC diagnostic ignored "-Wimplicit-fallthrough" +#pragma GCC diagnostic ignored "-Wredundant-decls" +#endif + #include "zutil.c" -#include "inftrees.c" -#include "infutil.c" -#include "infcodes.c" -#include "infblock.c" +#include "inffast.c" #include "inflate.c" +#include "inftrees.c" #include "adler32.c" +#include "crc32.c" + +#if defined( __GNUC__ ) +#pragma GCC diagnostic pop +#endif #if defined( _MSC_VER ) #pragma warning( pop ) @@ -121,48 +126,32 @@ 'malloc/free' */ static voidpf - ft_gzip_alloc( FT_Memory memory, - uInt items, - uInt size ) + ft_gzip_alloc( voidpf opaque, + uInt items, + uInt size ) { - FT_ULong sz = (FT_ULong)size * items; + FT_Memory memory = (FT_Memory)opaque; + FT_ULong sz = (FT_ULong)size * items; FT_Error error; - FT_Pointer p = NULL; + FT_Pointer p = NULL; - (void)FT_ALLOC( p, sz ); + /* allocate and zero out */ + FT_MEM_ALLOC( p, sz ); return p; } static void - ft_gzip_free( FT_Memory memory, - voidpf address ) + ft_gzip_free( voidpf opaque, + voidpf address ) { - FT_MEM_FREE( address ); - } + FT_Memory memory = (FT_Memory)opaque; -#if !defined( FT_CONFIG_OPTION_SYSTEM_ZLIB ) && !defined( USE_ZLIB_ZCALLOC ) - - local voidpf - zcalloc ( voidpf opaque, - unsigned items, - unsigned size ) - { - return ft_gzip_alloc( (FT_Memory)opaque, items, size ); - } - - local void - zcfree( voidpf opaque, - voidpf ptr ) - { - ft_gzip_free( (FT_Memory)opaque, ptr ); + FT_MEM_FREE( address ); } -#endif /* !SYSTEM_ZLIB && !USE_ZLIB_ZCALLOC */ - - /***************************************************************************/ /***************************************************************************/ /***** *****/ @@ -304,8 +293,8 @@ } /* initialize zlib -- there is no zlib header in the compressed stream */ - zstream->zalloc = (alloc_func)ft_gzip_alloc; - zstream->zfree = (free_func) ft_gzip_free; + zstream->zalloc = ft_gzip_alloc; + zstream->zfree = ft_gzip_free; zstream->opaque = stream->memory; zstream->avail_in = 0; @@ -462,12 +451,13 @@ FT_ULong count ) { FT_Error error = FT_Err_Ok; - FT_ULong delta; for (;;) { - delta = (FT_ULong)( zip->limit - zip->cursor ); + FT_ULong delta = (FT_ULong)( zip->limit - zip->cursor ); + + if ( delta >= count ) delta = count; @@ -671,7 +661,7 @@ FT_Byte* zip_buff = NULL; - if ( !FT_ALLOC( zip_buff, zip_size ) ) + if ( !FT_QALLOC( zip_buff, zip_size ) ) { FT_ULong count; @@ -741,20 +731,11 @@ stream.next_out = output; stream.avail_out = (uInt)*output_len; - stream.zalloc = (alloc_func)ft_gzip_alloc; - stream.zfree = (free_func) ft_gzip_free; + stream.zalloc = ft_gzip_alloc; + stream.zfree = ft_gzip_free; stream.opaque = memory; - /* This is a temporary fix and will be removed once the internal - * copy of zlib is updated to the newest version. The `|32' flag - * is only supported in the new versions of zlib to enable gzip - * encoded header. - */ -#ifdef FT_CONFIG_OPTION_SYSTEM_ZLIB err = inflateInit2( &stream, MAX_WBITS|32 ); -#else - err = inflateInit2( &stream, MAX_WBITS ); -#endif if ( err != Z_OK ) return FT_THROW( Invalid_Argument ); @@ -782,6 +763,9 @@ if ( err == Z_DATA_ERROR ) return FT_THROW( Invalid_Table ); + if ( err == Z_NEED_DICT ) + return FT_THROW( Invalid_Table ); + return FT_Err_Ok; } |